Ok, that helps for a possible solution. Thanks!
With
writer = CreateWriter('sol_i=0.vtm')
writer.UpdatePipeline()
I get an XML file, that can be loaded back into ParaView.
---
Still the behaviour I noticed before remains strange.
I used the extension ".vtk". From the GUI, I chose "Save Data", and then
"Legacy VTK Files(*.vtk)", which should be a valid option, because it is
explicitly offered. The pvpython commands were
writer = DataSetWriter(slice)
writer.FileName = 'sol_i=0.vtk'
writer.FileType = "Ascii"
writer.UpdatePipeline()
The result of both is the same, i.e. a file with the following structure:
# vtk DataFile Version 3.0
vtk output
ASCII
DATASET MULTIBLOCK
CHILDREN 96
CHILD 0
# vtk DataFile Version 3.0
vtk output
ASCII
DATASET POLYDATA
POINTS 39714 float
...
POLYGONS 77132 308528
...
POINT_DATA 39714
...
ENDCHILD
CHILD 0
# vtk DataFile Version 3.0
vtk output
ASCII
DATASET POLYDATA
POINTS 219146 float
...
ENDCHILD
CHILD 0
...
ENDCHILD
...
Each part between "CHILD 0" and "ENDCHILD" would be a complete Legacy
VTK file in itself.
The ParaView version is 3.14.1.
By the way, when I use
writer = CreateWriter('sol_i=0.vtk')
I get the following error message:
ERROR: In [...]\src\ParaViewCore\ServerManager\vtkSMWriterFactory.cxx,
line 374
vtkSMWriterFactory: No matching writer found for extension: vtk
Is ".vtk" not a valid file extension?
Am 28.11.2012 19:55, schrieb Sebastien Jourdain:
There is no multi-block legacy format. What file extension did you try
to write ? It should be .vtm by default.
On Wed, Nov 28, 2012 at 11:52 AM, Ian Krukow
<i.kru...@tu-braunschweig.de <mailto:i.kru...@tu-braunschweig.de>> wrote:
Hi,
I have loaded an EnSight file (results from an external code) into
ParaView, taken a slice from it and saved it in Legacy VTK format.
The result is a VTK file with multiblock datasets. When I try to
load it again, ParaView does not recognise the file format and asks
me to choose a reader. Why does ParaView not know the format of a
file, that it has written itself?
The written VTK file contains several "CHILDREN" with part of the
data (I suppose that it is just divided) plus several empty
CHILDREN. If I put the data of a single CHILD into a seperate file,
I can load it into ParaView without any problems.
Now, I could manipulate the file "by hand" (or script), so that I
get a file I can use again in ParaView, but I just do not think,
that this is the way it is supposed to be. Can somebody help me?
Best regards
Ian
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